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orviesa003.jf.intel.com with ESMTP; 16 Feb 2026 12:38:30 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vs5MT-000000010GY-3URm; Mon, 16 Feb 2026 20:38:29 +0000 Date: Tue, 17 Feb 2026 04:38:27 +0800 From: kernel test robot To: Alistair Popple Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List , Dan Williams Subject: fs/dax.c:1885:21: sparse: sparse: incorrect type in assignment (different base types) Message-ID: <202602170406.kegA2Rkg-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0f2acd3148e0ef42bdacbd477f90e8533f96b2ac commit: 38607c62b34b46317c46d5baf1df03ac6e48a1c6 fs/dax: properly refcount fs dax pages date: 11 months ago config: arm64-randconfig-r121-20260216 (https://download.01.org/0day-ci/archive/20260217/202602170406.kegA2Rkg-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260217/202602170406.kegA2Rkg-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202602170406.kegA2Rkg-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) fs/dax.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/fs_dax.h): include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t fs/dax.c:727:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long v @@ got restricted vm_fault_t @@ fs/dax.c:727:39: sparse: expected unsigned long v fs/dax.c:727:39: sparse: got restricted vm_fault_t fs/dax.c:729:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long v @@ got restricted vm_fault_t @@ fs/dax.c:729:39: sparse: expected unsigned long v fs/dax.c:729:39: sparse: got restricted vm_fault_t fs/dax.c:733:31: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long v @@ got restricted vm_fault_t @@ fs/dax.c:733:31: sparse: expected unsigned long v fs/dax.c:733:31: sparse: got restricted vm_fault_t fs/dax.c:1376:41: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:1376:41: sparse: expected int result fs/dax.c:1376:41: sparse: got restricted vm_fault_t [assigned] [usertype] ret >> fs/dax.c:1885:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected int ret @@ got restricted vm_fault_t @@ fs/dax.c:1885:21: sparse: expected int ret fs/dax.c:1885:21: sparse: got restricted vm_fault_t fs/dax.c:1888:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected int ret @@ got restricted vm_fault_t @@ fs/dax.c:1888:21: sparse: expected int ret fs/dax.c:1888:21: sparse: got restricted vm_fault_t >> fs/dax.c:1891:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted vm_fault_t @@ got int ret @@ fs/dax.c:1891:16: sparse: expected restricted vm_fault_t fs/dax.c:1891:16: sparse: got int ret fs/dax.c:1909:46: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [usertype] ret @@ fs/dax.c:1909:46: sparse: expected int result fs/dax.c:1909:46: sparse: got restricted vm_fault_t [usertype] ret fs/dax.c:1925:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted vm_fault_t [assigned] [usertype] ret @@ got unsigned long @@ fs/dax.c:1925:21: sparse: expected restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:1925:21: sparse: got unsigned long fs/dax.c:1966:51: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:1966:51: sparse: expected int result fs/dax.c:1966:51: sparse: got restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:2046:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted vm_fault_t [assigned] [usertype] ret @@ got unsigned long @@ fs/dax.c:2046:21: sparse: expected restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:2046:21: sparse: got unsigned long fs/dax.c:2080:62: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:2080:62: sparse: expected int result fs/dax.c:2080:62: sparse: got restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:2142:55: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t @@ fs/dax.c:2142:55: sparse: expected int result fs/dax.c:2142:55: sparse: got restricted vm_fault_t fs/dax.c:2160:58: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:2160:58: sparse: expected int result fs/dax.c:2160:58: sparse: got restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:279:13: sparse: sparse: context imbalance in 'wait_entry_unlocked' - unexpected unlock fs/dax.c:508:49: sparse: sparse: context imbalance in 'dax_lock_folio' - different lock contexts for basic block fs/dax.c:575:17: sparse: sparse: context imbalance in 'dax_lock_mapping_entry' - different lock contexts for basic block fs/dax.c:1148:9: sparse: sparse: context imbalance in 'dax_writeback_one' - unexpected unlock vim +1885 fs/dax.c 1826 1827 /** 1828 * dax_fault_iter - Common actor to handle pfn insertion in PTE/PMD fault. 1829 * @vmf: vm fault instance 1830 * @iter: iomap iter 1831 * @pfnp: pfn to be returned 1832 * @xas: the dax mapping tree of a file 1833 * @entry: an unlocked dax entry to be inserted 1834 * @pmd: distinguish whether it is a pmd fault 1835 */ 1836 static vm_fault_t dax_fault_iter(struct vm_fault *vmf, 1837 const struct iomap_iter *iter, pfn_t *pfnp, 1838 struct xa_state *xas, void **entry, bool pmd) 1839 { 1840 const struct iomap *iomap = &iter->iomap; 1841 const struct iomap *srcmap = iomap_iter_srcmap(iter); 1842 size_t size = pmd ? PMD_SIZE : PAGE_SIZE; 1843 loff_t pos = (loff_t)xas->xa_index << PAGE_SHIFT; 1844 bool write = iter->flags & IOMAP_WRITE; 1845 unsigned long entry_flags = pmd ? DAX_PMD : 0; 1846 struct folio *folio; 1847 int ret, err = 0; 1848 pfn_t pfn; 1849 void *kaddr; 1850 1851 if (!pmd && vmf->cow_page) 1852 return dax_fault_cow_page(vmf, iter); 1853 1854 /* if we are reading UNWRITTEN and HOLE, return a hole. */ 1855 if (!write && 1856 (iomap->type == IOMAP_UNWRITTEN || iomap->type == IOMAP_HOLE)) { 1857 if (!pmd) 1858 return dax_load_hole(xas, vmf, iter, entry); 1859 return dax_pmd_load_hole(xas, vmf, iter, entry); 1860 } 1861 1862 if (iomap->type != IOMAP_MAPPED && !(iomap->flags & IOMAP_F_SHARED)) { 1863 WARN_ON_ONCE(1); 1864 return pmd ? VM_FAULT_FALLBACK : VM_FAULT_SIGBUS; 1865 } 1866 1867 err = dax_iomap_direct_access(iomap, pos, size, &kaddr, &pfn); 1868 if (err) 1869 return pmd ? VM_FAULT_FALLBACK : dax_fault_return(err); 1870 1871 *entry = dax_insert_entry(xas, vmf, iter, *entry, pfn, entry_flags); 1872 1873 if (write && iomap->flags & IOMAP_F_SHARED) { 1874 err = dax_iomap_copy_around(pos, size, size, srcmap, kaddr); 1875 if (err) 1876 return dax_fault_return(err); 1877 } 1878 1879 folio = dax_to_folio(*entry); 1880 if (dax_fault_is_synchronous(iter, vmf->vma)) 1881 return dax_fault_synchronous_pfnp(pfnp, pfn); 1882 1883 folio_ref_inc(folio); 1884 if (pmd) > 1885 ret = vmf_insert_folio_pmd(vmf, pfn_folio(pfn_t_to_pfn(pfn)), 1886 write); 1887 else 1888 ret = vmf_insert_page_mkwrite(vmf, pfn_t_to_page(pfn), write); 1889 folio_put(folio); 1890 > 1891 return ret; 1892 } 1893 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki